Correct

缓气

/ huǎnqì / 
Strokes

Definition

to get one's breath back/to take a breather

Example

As a Verb

get a breathing space; have a respite; take a breather

1
Jiàoshòu
教授
kāi
开
wán
完
huì
会
méi
没
gù
顾
shàng
上
huǎn
缓
kǒuqì
口气
jiù
就
gǎn
赶
qù
去
shàngkè
上课
  
。

The professor walked into the classroom right after the meeting, taking no breather.